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Five important security apps for Linux, Mac OS X and Windows
arstechnica.com/guides/tweaks/five-security-apps-linux-osx-windows.ars, posted 2008 by peter in free linux list mac security software windows
No matter what OS you use, you need to think about security. We've got you covered with five freeware or shareware security tools for Linux boxes, Macs, and Windows machines, all recommended by Ars staffers.